My move to grown-up movies was awkward, admits Selena

"A little awkward" is how Selena Gomez describes her transition from Disney girl to Disney girl gone wild in the new Over 18s-rated independent film Spring Breakers, in which she plays a bikini-clad and heavily armed college student bent on a good time with three friends and some drugs, sex and violence.

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"I am a little bit older, so I wanted to push myself and kind of get into a little bit more of an indie world. And it was a really great experience for me. And at the same time it has been, of course, a little awkward, but great," Gomez (20) said at the film's Hollywood premiere.

Known for her role in Disney's Wizards Of Waverly Place, Gomez began moving to a faster track as Justin Bieber's now ex-girlfriend.

robbery

"It's been a weird transition. You never really know what's right or wrong and you can only do the best you can," she said.

Spring Breakers follows four young women on a Florida coast vacation romp they financed with a diner robbery.

Some of Gomez's young fans were gathered outside the ArcLight Theatre hoping to catch a glimpse of the star. But she warned them not to go inside.

"I think they're really here to see me. I don't think they're here to see the movie," she said. "This was a little bit different. So yes, they shouldn't go see this."

Gomez is also getting attention for her reaction to her split with Bieber.

A break-up song from her new album just leaked on the internet. "Our love was made to rule the world. You came and broke the perfect girl," she sings.